Subject: Re: Query regarding interrupts on a dual core machine
On 8/2/06, Usman S. Ansari <uansari@xxxxxxxxx> wrote:
> On 8/1/06, Fabio Guarneri <fabioguarneri@xxxxxxxxx> wrote:
> > Why CONFIG_NR_CPUS=2 ??
> > The dual core CPU has 2 cores with hyper threading. Try to change it.
> > CONFIG_NR_CPUS=4
> After going through the BIOS menu, I couldn't see that it had multi
> threading support. Hence this parameter was set to 2. Anyways, even after
> setting this to 4, the result is the same. All interrupts are delivered to
> CPU0.
>
>
> Do you have irqbalance running ?
>
I have the following setting in config file
CONFIG_IRQBALANCE=y
Shouldn't this suffice?
No. There is user level deamon too.
On FCs
service irqbalance start
chkconfig irqbalance on [for auto starting]
> On 8/1/06, Fabio Guarneri <fabioguarneri@xxxxxxxxx> wrote:
> > Why CONFIG_NR_CPUS=2 ??
> > The dual core CPU has 2 cores with hyper threading. Try to change it.
> > CONFIG_NR_CPUS=4
> After going through the BIOS menu, I couldn't see that it had multi
> threading support. Hence this parameter was set to 2. Anyways, even after
> setting this to 4, the result is the same. All interrupts are delivered to
> CPU0.
>
>
> Do you have irqbalance running ?
>
I have the following setting in config file
CONFIG_IRQBALANCE=y
Shouldn't this suffice?
No. There is user level deamon too.
On FCs
service irqbalance start
chkconfig irqbalance on [for auto starting]